N/2-2n/16=3/8 it's basic algebra
2 answers:
n/2 - 2n/16 = 3/8 it's basic algebra.
Step 1 :
n/2 = 8n/16 multiply both numerator and denominator by 8.
3/8 = 6/16 multiply both numerator and denominator by 2.
Step 2 : we can add the fractions since now they have the same denominator
8n/16 -2n/16 = 6/16
(8n - 2n -6)/16 = 0
(6n - 6)/16 = 0
6n - 6 = 0
6n = 6
n = 6/6 = 1 This is the n value
Answer n = 1
Hope this helps!
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Answer:
Original Salary:
Increase in 3%:
Step-by-step explanation:
So when something increases by x%, the new value is (100+x)% the original value. So 6255, is 105% the original value. This means to find the original value, we have to find the number that has 6255 as 105% of it's value. Whenever you try to find x% of a number, you multiply it by the decimal value of the percentage, which is found by dividing by 100. So to find x%, you do: where o = original value, x=percent. In this case the percent is 105%, which when divided by 100 is 1.05. So this gives us the equation:
. This is his original salary. You need to do this process, do not make the mistake of subtracting 5% from 6255. This is because 5% of 6255 does not equal the 5% of the original value. 5% of 6255 should be greater than 5% of the original value, since the new value is an increase of 5%. So since we have his original salary, we can calculate the salary increase had it been 3%. to do this we multiply by 1.03 (103% divided by 100). This gives us the equation: